Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"duc cong thep slippers" » "duc cong them slippers", "duc cong thuc slippers", "duc cot thep slippers", "duc cuong thep slippers", "dung cong thep slippers", "nuoc cong thep slippers", "duc cong thep slippery", "duc cong thep grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("duc cong thep slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("duc cong thep slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( duc cong thep slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("duc cong thep slippers"))) or ("locating bug code snippets"))*.